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IALA Maritime Buoyage System

IALA Maritime Buoyage System
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IALA Maritime Buoyage System

Above: Sealite Poseidon-1750 Ocean Buoy, West Sea Who is IALA? Established in 1957, IALA (International Association of Marine Aids and Lighthouse Authorities) is a non-profit international technical association. IALA provides nautical expertise and advice. IALA encourages its members to work together to harmonise aids to navigation worldwide and to ensure the movements of vessels are safe, expeditious and cost effective whilst simultaneously protecting the environment. One of the ways IALA achieves this is by establishing technical committees which bring together experts from more than 80...

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Above: Sealite SLB1250 Navigation Buoy, Manila, Philippines Lateral Marks Lateral marks define a channel and indicate the port and starboard sides of the navigation route to be followed into a waterway such as a harbour, river or estuary from seaward. The vessel should keep port marks to its left and keep starboard marks to its right. If lateral marks are unable to be represented by a can or cone shaped buoy they should carry the appropriate topmark. At the point where a channel divides, a modified lateral mark is used to indicate a ‘preferred’ channel (often a deep channel suitable for...

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Sealite Buoys Sealite Marine buoys are manufactured on-site from rotationally-moulded, UV-stabilised polyethylene, and are designed to offer a low maintenance, high visibility solution to marine navigation. Some of the benefits polyethylene buoys have to offer are increased impact and puncture resistance, lightweight for ease of deployment, low maintenance with no painting required, and they are eco-friendly and recyclable. Sealite’s buoy products are available in a wide range of configurations and sizes, and can be economically shipped worldwide. Above: Sealite Trident-3000 Ocean Buoy,...

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Cardinal Marks A cardinal mark is used to signify a danger and show where the safest water can be found. Cardinal marks indicate the direction of safety as a compass direction relative to the mark. A cardinal mark is named after the quadrant in which it is placed. Due to the unique way cardinal marks use the points of a compass to signal safety it makes them meaningful regardless of the direction of the approaching vessel. Cardinal marks have distinctive black and yellow markings and topmarks. Cardinal marks can be used to show the following: - The deepest water on an area on the named side...

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Isolated Danger Marks An isolated danger mark is used to indicate a hazard to shipping such as a submerged rock or wreck which has navigable water all around it. It is erected or moored above the hazard. The double sphere topmark is an important feature and needs to be visible by day. The topmarks should be as large as possible with the spheres clearly separated. Table 3.1 ISOLATED DANGER MARKS: REGION A & REGION B Isolated Danger Mark Colour Black with one or more broad horizontal red bands Buoy Shape Optional, but not conflicting with lateral marks; pillar or spar preferred 2 black...

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Appendix A: IALA Buoyage Region A & Region B

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Appendix B: IALA Buoyage System Example, Region A

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Appendix C: IALA Buoyage System Example, Region B The information contained in this publication is advisory only. Please contact your local authority for rules and regulations particular to your region. For further information about IALA and the IALA Maritime Buoyage System please visit www.iala-aism.org References: IALA Maritime Buoyage System, IALA Publications, viewed 3 May 2010, http://www.iala-aism.org

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All Sealite products are manufactured to exacting standards under strict quality control procedures. Sealite’s commitment to research and development, investing in modern equipment and advanced manufacturing procedures has made the company an industry leader in aids to marine navigation. Sealite solar LED lanterns have an IP rating of IP68, the highest water/rust/dust proof rating available. Don’t trust anything less than an IP68 rated product. By choosing Sealite you can rest assured you have chosen the very best. Nautilus buoy with SLC420 solar marine lantern Port Phillip Bay, Australia...

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